What 1983 penny is worth $15,000?

Can you please clarify what specific attributes make a 1983 penny valuable enough to be worth $15,000? Are there any rare mint marks, unique errors, or other distinctive features that could contribute to its significant value? It's quite an extraordinary claim for a coin from a year that is generally not considered rare or highly sought after in the world of numismatics. Are there any verified instances of such a penny selling for such a high price, and if so, could you provide more details about the specific coin and its unique qualities?